According to GW, the leaders of Biel-Tan craftworld have a very grim sense of optimism.
via GW (Facebook) 2-2-2017
“Judging by the Eldar’s track record on creating gods, we can understand why some of them are a little dubious. It can’t go that wrong again, right?”
“We shall be reforged. We shall be a people that look forward in hope,not backwards in despair. the reborn are the only hope left to our people; follow them and we will soar in the winds of fate once more”
~High Farseer of Biel-tan
~I’ll let you all figure out that could mean. It sounds like GW themselves are kind of trolling the Eldar.